2 answers published. Last candidate submission on Jul 19 2026, 9:16am PDT. Interview question asked to Software Engineers interviewing at Samsung, Mobiniti, Toast and other companies. Original question asked: Let us discuss immutability and how it provides a safe alternative to the risks of pass by reference mutations. Question last reported by a candidate interviewing at Tableau for a Software Engineer interview on May 31 2026, 11:28am PDT.